Equivalent & Substitute Parts for RS07J-M-18

Part Overview

The RS07J-M-18 is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount diode operates at 600 V DC reverse voltage with 500 mA average rectified current and is packaged in DO-219AB (SMF). The device is classified as Active and carries automotive-grade qualification under AEC-Q101 standard. Alternative equivalent and substitute parts are identified for applications requiring different packaging formats, current ratings, or inventory availability while maintaining core electrical performance within specified parameters.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	600 V
Current - Average Rectified (Io)	500 mA
Voltage - Forward (Vf) (Max) @ If	1.15 V @ 700 mA
Speed Classification	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Reverse Recovery Time (trr)	250 ns
Current - Reverse Leakage @ Vr	10 µA @ 600 V
Package / Case	DO-219AB (SMF)
Operating Temperature - Junction	-55°C ~ 150°C
Grade	Automotive
Qualification	AEC-Q101
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the RS07J-M-18 are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalent (RS07J-GS08): This substitute maintains identical electrical specifications including 600 V reverse voltage, 500 mA average rectified current, 1.15 V forward voltage at 700 mA, 250 ns reverse recovery time, and DO-219AB package format. The primary difference is packaging configuration (Cut Tape & Digi-Reel® versus Tape & Reel), which does not affect electrical performance or circuit compatibility.

Manufacturer Recommended Substitutes (SM4005PL-TP, UFM15PL-TP): These parts share the 600 V reverse voltage specification but differ in current rating (1 A versus 500 mA), package format (SOD-123FL versus DO-219AB), and recovery characteristics. These substitutes are applicable in designs where higher current capacity is acceptable and package footprint changes are permissible. Selection between these parts depends on circuit layout constraints and thermal management requirements.

Key parameters determining substitution eligibility:

Voltage - DC Reverse (Vr) (Max): 600 V (common to all)
Current - Average Rectified (Io): 500 mA (main part) or 1 A (recommended substitutes)
Package / Case: DO-219AB (main part and parametric equivalent) or SOD-123FL (recommended substitutes)
Operating Temperature Range: -55°C ~ 150°C (main part) or -65°C ~ 175°C (recommended substitutes)

Parameter Comparison

Parameter	RS07J-M-18	RS07J-GS08	SM4005PL-TP	UFM15PL-TP
Manufacturer	Vishay General Semiconductor	Vishay General Semiconductor	Micro Commercial Co	Micro Commercial Co
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	500 mA	500 mA	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	1.15 V @ 700 mA	1.15 V @ 700 mA	1.1 V @ 1 A	1.7 V @ 1 A
Speed Classification	Fast Recovery ≤ 500 ns	Fast Recovery ≤ 500 ns	Standard Recovery > 500 ns	Fast Recovery ≤ 500 ns
Reverse Recovery Time (trr)	250 ns	250 ns	Not specified	75 ns
Current - Reverse Leakage @ Vr	10 µA @ 600 V	10 µA @ 600 V	5 µA @ 600 V	10 µA @ 600 V
Package / Case	DO-219AB (SMF)	DO-219AB (SMF)	SOD-123FL	SOD-123FL
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-65°C ~ 175°C	-65°C ~ 150°C
Grade	Automotive	Automotive	Not specified	Not specified
Qualification	AEC-Q101	AEC-Q101	Not specified	Not specified
Product Status	Active	Active	Active	Not For New Designs
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

RS07J-GS08 is the direct parametric equivalent for the RS07J-M-18. Both parts are manufactured by Vishay General Semiconductor, carry AEC-Q101 automotive qualification, and maintain identical electrical specifications. Selection between RS07J-M-18 and RS07J-GS08 is determined by packaging format availability and supply chain requirements. Both parts are Active status and suitable for new designs.

SM4005PL-TP is a manufacturer-recommended substitute from Micro Commercial Co. This part maintains the 600 V reverse voltage specification and increases current capacity to 1 A. The package format changes from DO-219AB to SOD-123FL, requiring PCB layout modification. SM4005PL-TP is Active status and ROHS3 compliant. This substitute is applicable in designs where higher current margin is required and package footprint changes are acceptable. Note that SM4005PL-TP does not carry automotive-grade qualification or AEC-Q101 certification.

UFM15PL-TP is a manufacturer-recommended substitute from Micro Commercial Co. This part maintains the 600 V reverse voltage specification and 1 A current rating with faster reverse recovery time (75 ns versus 250 ns). The package format changes from DO-219AB to SOD-123FL. UFM15PL-TP carries "Not For New Designs" product status, indicating this part is in end-of-life phase. UFM15PL-TP does not carry automotive-grade qualification or AEC-Q101 certification. Use of UFM15PL-TP is restricted to legacy design support and replacement applications only.

For new automotive designs requiring AEC-Q101 qualification, RS07J-M-18 or RS07J-GS08 are the appropriate selections. For non-automotive applications where higher current capacity is required, SM4005PL-TP provides an active alternative.

Frequently Asked Questions (FAQ)

Q: Can RS07J-GS08 be used as a direct replacement for RS07J-M-18?

A: Yes. RS07J-GS08 is a parametric equivalent with identical electrical specifications, operating temperature range, and automotive qualification. The only difference is packaging format (Cut Tape & Digi-Reel® versus Tape & Reel), which does not affect circuit performance or compatibility.

Q: What is the primary difference between RS07J-M-18 and SM4005PL-TP?

A: The primary differences are current rating (500 mA versus 1 A), package format (DO-219AB versus SOD-123FL), and recovery speed classification (Fast Recovery 250 ns versus Standard Recovery). SM4005PL-TP requires PCB layout modification due to different package footprint. SM4005PL-TP does not carry automotive qualification.

Q: Why is UFM15PL-TP marked as "Not For New Designs"?

A: UFM15PL-TP carries "Not For New Designs" product status, indicating the part is in end-of-life phase. This designation restricts use to legacy design support and replacement applications. New designs should utilize RS07J-M-18, RS07J-GS08, or SM4005PL-TP.

Q: Can SM4005PL-TP be used in automotive applications?

A: SM4005PL-TP does not carry AEC-Q101 automotive qualification. For automotive applications requiring AEC-Q101 certification, use RS07J-M-18 or RS07J-GS08.

Q: What are the package footprint differences between DO-219AB and SOD-123FL?

A: DO-219AB (SMF) and SOD-123FL are different surface mount package formats with distinct footprints. Substitution between these packages requires PCB layout modification and re-qualification of the assembly process.

Q: Is the 1 A current rating of SM4005PL-TP and UFM15PL-TP backward compatible with the 500 mA design specification?

A: Yes. Higher current rating is backward compatible in circuits designed for 500 mA operation. The 1 A rated parts operate within specification at 500 mA current levels. However, thermal management and PCB layout must be re-evaluated due to package format change.

Q: What is the significance of reverse recovery time (trr) differences between these parts?

A: Reverse recovery time affects switching speed and electromagnetic interference characteristics. RS07J-M-18 and RS07J-GS08 specify 250 ns trr. UFM15PL-TP specifies 75 ns (faster). SM4005PL-TP does not specify trr value. In high-frequency switching applications, faster recovery time reduces switching losses and EMI.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. RS07J-M-18, RS07J-GS08, SM4005PL-TP, and UFM15PL-TP are all ROHS3 compliant and REACH unaffected.

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